#include <iostream>

using namespace std;

int main(){

	int a;
	cin >> a;
	if(a==1){
		cout << "Monday";
	}
	else if(a==2){
		cout << "Tuesday";
	}
	
	else if(a==3){
	cout << "Wednesday";
	}
	else if(a==4){
	cout << "Thursday";
	}
	else if(a==5){
	cout << "Friday";
	}
	else if(a==6){
	cout << "Saturday";
	}
	else if(a==7){
	cout << "Sunday";
	}
	else{
	cout << "input error!";
	}
    return 0;
}

